Home / 6,180.16-8,520.36-5,113.99

Finding the Fourth Proportional to 6,180.16, 8,520.36 and 5,113.99

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Solution

The fourth proportional to 6,180.16, 8,520.36 and 5,113.99 is: 7,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.16 : 8,520.36 = 5,113.99 : x
  2. Step 2: Convert to fraction form
    6,180.16/8,520.36 = 5,113.99/x
  3. Step 3: Cross multiply
    6,180.16x = 8,520.36 × 5,113.99
  4. Step 4: Simplify right side
    6,180.16x = 43,573,035.84
  5. Step 5: Solve for x
    x = 43,573,035.84/6,180.16
  6. Step 6: Final answer
    x = 7,050.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.